Вправи 201 - 342 » 244

244. Порівняйте значення виразів: 1) 120 = (–6)0; 2) 0,23 = 0,008; 0,2–3 = (2/10)–3 = (10/2)3 = 53 = 125; 0,23 < 0,2–3; 3) 0,25–6 = (25/100)–6 = (1/4)–6 = 46; 46 = 0,25–6; 4) 3–1 • 7–1 = 21–1; 3–1 • 7–1 = 21–1; 5) 5–1 – 7–1 = 1^(\7)/5 – 1^(\5)/7 = 2/35; 2–1 = 1/2; 5–1 – 7–1 < 2–1; 6) (1/3)–1 + (1/2)–1 = 3 + 2 = 5; (1/3 + 1/2)–1 = (2+3)/6 = 5/6; (1/3)–1 + (1/2)–1 > 5/6.